package com.collection.iterator;

import java.util.ArrayList;
import java.util.Iterator;

public class JavaIteratorExample {
	 public static void main(String[] args) {
		 
		    //create an ArrayList object
		    ArrayList aList = new ArrayList();
		   
		    //populate ArrayList object
		    aList.add("1");
		    aList.add("2");
		    aList.add("3");
		    aList.add("4");
		    aList.add("5");
		   
		    /*
		      Get Iterator object by invoking iterator method of collection.
		      Iterator provides hasNext() method which returns true if has more
		      elements. next() method returns the element in iteration.
		    */
		    Iterator itr = aList.iterator();
		 
		    //iterate through the ArrayList values using Iterator's hasNext and next methods
		    while(itr.hasNext())
		      System.out.println(itr.next());
		   
		    /*
		      Please note that next method may throw a java.util.NoSuchElementException
		      if iteration has no more elements.
		    */
		   
		 
		  }
}
